October 1, 2012
Charles Dharapak photo

Republican presidential candidate and former Massachusetts Gov. Mitt Romney arrives for services at the Church of Jesus Christ of Latter-day Saints, in Belmont, Mass., Sunday, Sept. 30, 2012.

David Becker photo

President Barack Obama, center, appears with the musical group Mana at campaign event at Desert Pines High School on Sunday, Sept. 30, 2012 in Las Vegas. Obama is spending three days in Henderson, Nevada to prepare for the first presidential debate on Oct. 3 in Denver against GOP challenger Mitt Romney.

Pablo Monsivais photo

President Barack Obama greets supporters on the tarmac upon his arrival at McCarran International airport, Sunday, Sept. 30, 2012 in Las Vegas. Obama traveled to Las Vegas for a campaign rally then will be staying in Henderson, Nev., to prepare for the first Presidential debate against Republican rival, former Massachusetts Gov. Mitt Romney.